Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d9e9690515477af…

MALICIOUS

PDF

33.7 KB Created: 2021-07-05 22:00:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 289853a5e8bed59f2afeb5a5d738c7b2 SHA-1: ce20a95b3e528aab0e39f70ebbaed137d3ef7377 SHA-256: 7d9e9690515477afc52ab0714519dd7c07e1e5cad3ab10a3168b53abc7c00186
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document presents itself as a hack for online games, containing numerous links to external sites that likely host malicious payloads. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document attempts to trick the user into executing commands, likely to download and run the payload. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.tw/app/431946152/roblox-com-hack-game-hack PDF link annotation
    • http://pustakafpsi.uin-suska.ac.id/repository/rewards-roblox-com_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/how-to-hack-in-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-money-hack_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-minecraft-client_GM479516143.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/pokemon-go-free-pokemon_GM1094591345.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-roblox-hack_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/cheat-command-terminal-railways-roblox-admin-pass_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/pastebincom-free-robux-code_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-sex-games-free-model_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-ids-for-free-spins_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/how-to-hack-in-roblox-soul-stone-sim_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-spin-coin-master-link-download_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-roblox-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/groups-with-free-stufff-droups-roblox_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-robux-legit-works_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-minecraft-skin-creator_GM479516143.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/how-many-free-spin-links-is-there-for-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB0 21516 bytes
SHA-256: 9ecfaf85a93371875510cb5f058ae5fa3a9bb7151058892467c00cd474ff6f2f
font_01_sfnt_off00005ed3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ED3 18916 bytes
SHA-256: 9cb05533f98f4e2367072af5f88feb3ab929c06b5a26e3a671612f35ad90b071

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